Answer: B. 
Step-by-step explanation:
Let 
be the proportion of all U.S. adults that smoked in 1995. Let 
denote the proportion of all U.S. adults that smoked in 2000.
Objective for the study : Whether the proportion of U.S. adults that smoke declined during the 5-year period between the samples.
i.e. 
Alternative hypothesis
is the statement containing population parameter that shows there is significant difference between the groups being tested.
⇒
Null hypothesis
is the statement containing population parameter that shows there is no significant difference between the groups being tested.
⇒
Hence, The hypotheses to test in this problem are
Hence, the correct answer is B.
200 divided by 10 is 20 so You have to X both by 20 so 9 X 20 is 180 and 10 X 20 is 200 I think
Answer:
60% of the band won a medal.
Step-by-step explanation:
=24/40*100
=2400/40
=60%
Therefore, 60% band won a medal.
Answer:
10
Step-by-step explanation:
3 is odd
So by the question he will lose 10 times the number that comes up
3*10=-30
